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(4S)-4-isopropyl-2-(pent-4-enyl)cyclohex-1-en-1-ylmethyl acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

211797-32-9

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211797-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211797-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,7,9 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 211797-32:
(8*2)+(7*1)+(6*1)+(5*7)+(4*9)+(3*7)+(2*3)+(1*2)=129
129 % 10 = 9
So 211797-32-9 is a valid CAS Registry Number.

211797-32-9Relevant articles and documents

Synthesis of (-)-erythrodiene and (+)-7-epispirojatamol via intramolecular Pd-catalyzed allylzincation

Oppolzer, Wolfgang,Flachsmann, Felix

, p. 416 - 430 (2007/10/03)

Two spirobicyclic sesquiterpenoids, (-)-erythrodiene (1) and (+)-7-epispirojatamol (30), were synthesized in enantiomericaliy pure form via an intramolecular allylzincation process. The allylzinc species were formed in the presence of Et2Zn via transmetallation of a catalytically generated allylpalladium intermediate. Several Pd catalysts were tested for this transformation, and [Pd(OAc)2]/Bu3P (1 equiv.) was found to be, by far, the most effective. Whereas the preparation of 1 involved allylzincation of a tethered terminal olefin, 30 was formed via a novel intramolecular allyl zincation of a methyl ketone. Both reactions showed the same stereochemical preference, yielding the spirobicyclic products in 95:5 and 4:1 diastereoisomer ratios, respectively.

Synthesis of (-)-erythrodiene via intramolecular Pd-catalyzed Zn-ene reaction

Oppolzer,Flachsmann

, p. 5019 - 5022 (2007/10/03)

A highly diastereoselective synthesis of (-)-Erythrodiene was achieved via an intramolecular Pd-catalyzed Zne-ene reaction as the key step. It was found that Pd(OAc)2/Bu3P was a superior catalyst for this reaction to Pd(PPh3)4.

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